Patents by Inventor Glenn T. Johnson

Glenn T. Johnson has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Apparatus and method for simultaneously detecting the power state of a plurality of circuit breaker switches
    Patent number: 7554454
    Abstract: An apparatus for detecting the power state of a circuit breaker switch is disclosed. The apparatus comprises a detector circuit, a processor and an indicator. The processor is coupled to the detector circuit. The indicator is coupled to the processor. In operation, the detector circuit senses an electronic signal at the circuit breaker switch and transmits a signal to the processor. The processor then transmits a signal to the indicator indicating the power state and location of the circuit breaker switch.
    Type: Grant
    Filed: April 21, 2005
    Date of Patent: June 30, 2009
    Assignee: Hi-Tech Electronic Products & Mfg., Inc.
    Inventors: Glenn T. Johnson, Michael E. Johnson